/*
newwin_2003 - Ota + MaCa
mailto:webmaster@avonet.cz
http://www.avonet.cz
*/


function newwin(co,xwidth,yheight) 
{
 xx = screen.width/2 - xwidth/2;
 yy = screen.availHeight/2 - yheight/2;
 var xdist = 0;
 var ydist = 0;
 var IE7 = ((document.all)&&(navigator.appVersion.indexOf("MSIE 7.")!=-1)) ? true : false;
 if (IE7) {
  var xdist = 10;
  var ydist = 49+30;
 } else  if (document.all)
 {
  var xdist = 10;
  var ydist = 49+20;
 }
 else
 {
  var xdist = 6;
  var ydist = 50+30;
 }
 var a = window.open("","new","toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=auto,left="+xx+",top="+yy+",resizable=no,width="+(xwidth+xdist)+",height="+(yheight+ydist));
 a.resizeTo(xwidth+xdist,yheight+ydist);
 a.document.clear();
 a.document.open("text/html");
 a.document.writeln('<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">');
 a.document.writeln('<html><head><title>Obrazová příloha |  </title></head>');
 a.document.writeln('<body style="margin:0;padding:0;background:#fff;">');
 a.document.writeln('<script language="JavaScript" type="text/javascript"> this.focus(); </script>');
 a.document.writeln('<div style="position:absolute;top:'+(yheight-31)+';left:'+(xwidth-72)+';" id="loading"><img src="/img/loading.gif" width="72" height="31" border="0" alt=""></div>');

 a.document.writeln('<script type="text/javascript">');
 a.document.writeln(' <!-- ');
 a.document.writeln(' function makeObj(obj)');
 a.document.writeln(' {');
 a.document.writeln('   var dom = document.getElementById?1:0');
 a.document.writeln('   if (dom) this.css = document.getElementById(obj).style');
 a.document.writeln('   else if (document.all && !dom) this.css =  document.all[obj].style;');
 a.document.writeln('   else if (document.layers && !dom) this.css =  document.layers[obj];');
 a.document.writeln('   else return false;');
 a.document.writeln(' }');
 a.document.writeln(' var test = new makeObj("loading")');
 a.document.writeln(' // --> ');
 a.document.writeln('</script>');

 a.document.writeln('<a href="#" onclick="window.close();"><img src="'+co+'" width="'+xwidth+'" height="'+yheight+'" OnLoad="test.css.visibility = \'hidden\'" border="0" alt=""></a>');
 a.document.writeln('</body>');
 a.document.writeln('</html>');
 a.document.close();
}

function newwin3(obj,xwidth,yheight) {
    if (yheight==0 || xwidth==0) {
      picfile = new Image(); 
      picfile.src =(obj.href);
      xwidth = picfile.width;
      yheight = picfile.height;
    }

    var isimg = ((obj.childNodes && obj.tagName!='IMG')?(obj.childNodes[0].tagName=='IMG'):false);
    if (isimg) {
      // popisky obrazku

      //ht = yheight + 20;
      ht = yheight + 20 +(obj.childNodes[0].alt!=''?80:0);
      wd = xwidth + 14;

      var args= "height=" + ht + ",innerHeight=" + ht;
      args += ",width=" + wd + ",innerWidth=" + wd;
      if (window.screen) {
         args += ",scrollbars="+((screen.availWidth<wd || screen.availHeight<ht) ?"yes":"no");
      }
      if (window.screen)  { 
        var avht = screen.availHeight; 
        var avwd = screen.availWidth;
        var xcen = (avwd - wd) / 2; 
        var ycen = (avht - ht) / 2;
        args += ",left=" + xcen + ",screenX=" + xcen;
        args += ",top=" + ycen + ",screenY=" + ycen + ",resizable=yes";
      }
      window.open( "/js/page4img.html?img="+escape(obj.href)+"&w="+wd+"&h="+ht+"&title="+escape(obj.childNodes[0].title)+"&alt="+escape(obj.childNodes[0].alt), "",  args);
      return false;
    }
}

function txtwin(co,sirka,vyska)
{
 window.open(co,"or","toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=no,width="+sirka+",height="+vyska);
 return false;
}

function writit(text,id)
{
 if (document.getElementById)
 {
   x = document.getElementById(id);
   x.innerHTML = '';
   x.innerHTML = text;
 }
 else if (document.all)
 {
   x = document.all[id];
   x.innerHTML = text;
 }
 else if (document.layers)
 {
   x = document.layers[id];
   text2 = '<p style="position: relative; padding: 0px;">' + text + '</p>';
   x.document.open();
   x.document.write(text2);
   x.document.close();
 }
}

function createCookie(name,value,days)
{
	if (days)
	{
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name)
{
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++)
	{
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

function eraseCookie(name)
{
	createCookie(name,"",-1);
}

//if (document.getElementsByTagName) document.getElementsByTagName('link')[0].disabled = true;
function changeCSS(nr) {
    if (document.getElementsByTagName) x = document.getElementsByTagName('link');
    else if (document.all) x = document.all.tags('link');
    else {
        alert("Tento skript nefunguje ve Vašem prohlížeči.\nThis script does not work in your browser.");
        return false;
    }
    nr--;
    for (var i=0;i<x.length;i++) {
        dis = !(i == nr);
        x[i].disabled = dis;
    }
    return false;
}

